Rad to Gray Converter

Convert → Gray to Rad
1 Rad = 0.01 Grays

How many Grays are in 1 Rad?

One Rad equals 0.01 Grays. You can also write this as 1 Rad = 0.01 Grays. Use the calculator to convert Rad to Gray instantly.
Use this Rad to Gray converter to change a value from Rad into Gray. Enter the measurement, review the result, and use the conversion when comparing values or checking a formula.
This conversion is useful when a measurement is recorded in Rad but a report, specification, or calculation requires Gray. The page includes the unit definitions, a worked example, and a conversion table for related units.
Use the result as a reference and check the displayed precision before copying it into technical or scientific work. The last digits may be rounded for readability.
Rad and Gray describe the same radiation absorbed dose measurement in different units. Converting between them makes values easier to compare when different unit systems are used.

How to convert Rad to Gray (rd to Gy)

To convert Rad to Gray, multiply by 0.01. The formula is Rad × 0.01 = Gray. See the example below.

1 Rad = 1 × 0.01 = 0.01 Grays

Rad is a unit of measurement for absorbed ionizing radiation dose. It represents the dose causing 100 ergs of energy to be absorbed by one gram of matter. The symbol for Rad is rd.
Gray is a unit of measurement for absorbed ionizing radiation dose. It describes absorption of one joule of energy in the form of ionizing radiation by one kilogram of tissue. The symbol for Gray is Gy.

How to Use Rad to Gray Converter

  • Select Rad from the first dropdown and enter the value you want to convert.
  • Choose Gray in the second dropdown to set the target unit.
  • Review the converted value in the output field.
  • Check the displayed precision before using the result in another calculation.
For another result, change the input value or either selected unit. The conversion uses the unit definitions in the calculator and formats the result for display.

Example of Rad to Gray Conversion

Rad

1

Gray

0.01

Frequently asked questions about Rad to Gray conversion

What does the Rad to Gray conversion show?
It shows the equivalent value of one unit in another unit, making it easier to compare measurements and check calculations across different scales.
When should I use a Rad to Gray converter?
Use it when you need to compare values, convert technical data, or switch between units used in different settings or systems.
Is this Rad to Gray calculator accurate?
It applies the conversion relationship used by the calculator and formats the result for display. Verify the shown precision when the value is used in technical or scientific work.

Rad to Gray Conversion Table

Rad [rd]Gray [Gy]Description
1 Rad0.01 Gray1 Rad = 0.01 Gray
2 Rad0.02 Gray2 Rad = 0.02 Gray
3 Rad0.03 Gray3 Rad = 0.03 Gray
4 Rad0.04 Gray4 Rad = 0.04 Gray
5 Rad0.05 Gray5 Rad = 0.05 Gray
6 Rad0.06 Gray6 Rad = 0.06 Gray
7 Rad0.07 Gray7 Rad = 0.07 Gray
8 Rad0.08 Gray8 Rad = 0.08 Gray
9 Rad0.09 Gray9 Rad = 0.09 Gray
10 Rad0.1 Gray10 Rad = 0.1 Gray
100 Rad1 Gray100 Rad = 1 Gray
1000 Rad10 Gray1000 Rad = 10 Gray

Rad to Other Units Conversion Table

ConversionDescription
1 Rad = 1000 Millirad1 Rad in Millirad is equal to 1000
1 Rad = 1000000 Microrad1 Rad in Microrad is equal to 1000000
1 Rad = 0.01 Joule/Kilogram1 Rad in Joule/Kilogram is equal to 0.01
1 Rad = 0.00001 Joule/Gram1 Rad in Joule/Gram is equal to 0.00001
1 Rad = 1e-8 Joule/Milligram1 Rad in Joule/Milligram is equal to 1e-8
1 Rad = 1e-7 Joule/Centigram1 Rad in Joule/Centigram is equal to 1e-7
1 Rad = 0.01 Gray1 Rad in Gray is equal to 0.01
1 Rad = 1e-20 Exagray1 Rad in Exagray is equal to 1e-20
1 Rad = 1e-17 Petagray1 Rad in Petagray is equal to 1e-17
1 Rad = 1e-14 Teragray1 Rad in Teragray is equal to 1e-14
1 Rad = 1e-11 Gigagray1 Rad in Gigagray is equal to 1e-11
1 Rad = 1e-8 Megagray1 Rad in Megagray is equal to 1e-8
1 Rad = 0.00001 Kilogray1 Rad in Kilogray is equal to 0.00001
1 Rad = 0.0001 Hectogray1 Rad in Hectogray is equal to 0.0001
1 Rad = 0.001 Dekagray1 Rad in Dekagray is equal to 0.001
1 Rad = 0.1 Decigray1 Rad in Decigray is equal to 0.1
1 Rad = 1 Centigray1 Rad in Centigray is equal to 1
1 Rad = 10 Milligray1 Rad in Milligray is equal to 10
1 Rad = 10000 Microgray1 Rad in Microgray is equal to 10000
1 Rad = 10000000 Nanogray1 Rad in Nanogray is equal to 10000000
1 Rad = 10000000000 Picogray1 Rad in Picogray is equal to 10000000000
1 Rad = 10000000000000 Femtogray1 Rad in Femtogray is equal to 10000000000000
1 Rad = 10000000000000000 Attogray1 Rad in Attogray is equal to 10000000000000000
1 Rad = 0.01 Sievert1 Rad in Sievert is equal to 0.01
1 Rad = 10 Milisievert1 Rad in Milisievert is equal to 10
1 Rad = 10000 Microsievert1 Rad in Microsievert is equal to 10000

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